Convert WebP to JPG
When a website hands you a .webp and the form you need to fill in only takes JPG, this is the shortest route. Set the quality, choose what colour replaces any transparency, and download standard JPGs. Up to 100 files at a time, all processed on your own device.
How to use the WebP to JPG
- Add the .webp files you downloaded or were sent.
- Choose a JPG quality. 88 is a good default when the source is already compressed.
- Pick a background colour if the WebP has transparent areas — JPG cannot keep them.
- Convert and download, individually or as a ZIP.
Two lossy formats in a row
This conversion is unusual in that both ends are lossy. The WebP you start with has already been through a compressor, and saving as JPEG compresses those pixels a second time. The effect is called generation loss, and it is why the quality default here is 88 rather than the 80 you might use for a camera original: the JPEG encoder is trying to faithfully reproduce compression artefacts as well as real detail, and low quality settings make both worse. If you have access to the original photo rather than the WebP, always convert that instead.
Transparency has to go somewhere
JPEG has no alpha channel. Every transparent or semi-transparent pixel is composited onto the colour you choose before encoding. White works for documents and light pages; black suits dark interfaces; picking your page background colour makes the seam invisible. Semi-transparent shadows are blended proportionally, so a soft drop shadow becomes a soft grey gradient rather than a hard edge.
When JPG is the right answer
- Upload forms. Visa applications, job portals, insurance claims and school systems very often list JPG and PNG only.
- Email. Some older desktop mail clients will not preview a .webp attachment even though webmail does.
- Legacy software. Older versions of Office, photo printing kiosks and many point-of-sale or catalogue systems predate WebP entirely.
- Sharing with people, not machines. A .jpg simply opens on any device without a question.
Size: what usually happens
A lossy WebP is normally 25–35% smaller than a JPEG of comparable quality, so the JPG you get out will usually be bigger than the WebP you put in — commonly by a third to a half. That is expected and not a sign anything went wrong. If size matters more than compatibility, keep the WebP; if you need a smaller JPG, run it through the image compressor with a target size afterwards.
What is not carried over
EXIF and XMP metadata in the WebP container are not copied into the JPEG, and the output is tagged sRGB. Animated WebP files produce a single still frame.
Frequently asked questions
Why is the JPG larger than the WebP?
WebP compresses roughly 25–35% better than JPEG at matching quality, so a straight conversion usually grows the file. Compress afterwards if you need a specific size.
What happens to transparent backgrounds?
They are filled with the colour you select, because JPEG cannot store transparency. Semi-transparent pixels are blended with that colour.
Will the image look worse?
Slightly, since the pixels are compressed twice. At quality 88 or above the second pass is very hard to see.
Is there a limit on how many files I can convert?
100 per run. Nothing is uploaded, so the practical limit is your device memory rather than any server quota.
Privacy
This tool runs entirely inside your browser using WebAssembly and the Canvas/File APIs. Your files are never uploaded to ToolFlint or any third party; you can verify this in your browser's network tab or by switching to airplane mode after the page loads. Read how we process files.
Last updated 2026-09-23.